Your medication may look different. If you have questions, ask your pharmacist. Brand name s Bactrim , Septra. This medication is a combination of two antibiotics: sulfamethoxazole and trimethoprim. It is used to treat a wide variety of bacterial infections such as middle ear, urine, respiratory, and intestinal infections. It is also used to prevent and treat a certain type of pneumonia pneumocystis-type. This medication should not be used by children less than 2 months of age due to the risk of serious side effects.
This medication treats only certain types of infections. It will not work for viral infections such as flu. Unnecessary use or misuse of any antibiotic can lead to its decreased effectiveness.
If stomach upset occurs, take with food or milk. Drink plenty of fluids while taking this medication to lower the unlikely risk of kidney stones forming, unless your doctor advises you otherwise. Dosage is based on your medical condition and response to treatment. For the best effect, take this antibiotic at evenly spaced times.
To help you remember, take this medication at the same time s every day. Continue to take this medication until the full prescribed amount is finished, even if symptoms disappear after a few days.
Stopping it too early may allow bacteria to continue to grow, which may result in a relapse of the infection. Nausea, vomiting, diarrhea, and loss of appetite may occur. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
Remember that this medication has been prescribed because your doctor has judged that the benefit to you is greater than the risk of side effects. Many people using this medication do not have serious side effects. This medication may rarely cause serious possibly fatal allergic reactions and other side effects such as a severe peeling skin rash such as Stevens-Johnson syndrome , blood disorders such as agranulocytosis, aplastic anemia , liver damage, or lung injury.
If you notice any of the following, get medical help right away:. This medication may rarely cause a severe intestinal condition due to a bacteria called C. This condition may occur during treatment or weeks to months after treatment has stopped. Tell your doctor right away if you develop:.
If you have these symptoms, do not use anti-diarrhea or opioid products because they may make symptoms worse. Use of this medication for prolonged or repeated periods may result in oral thrush or a new yeast infection. Contact your doctor if you notice white patches in your mouth, a change in vaginal discharge, or other new symptoms.
This is not a complete list of possible side effects. If you notice other effects not listed above, contact your doctor or pharmacist.
Call your doctor for medical advice about side effects. Porphyria or thyroid dysfunction. Disorders of potassium metabolism. Monitor for electrolyte abnormalities, hematologic toxicity. Maintain adequate hydration. Discontinue at 1 st sign of skin rash or any other serious reaction. Embryo-fetal toxicity. Nursing mothers. See Contraindications.
May potentiate oral anticoagulants eg, warfarin , hypoglycemics, phenytoin, methotrexate, digoxin; monitor. May be potentiated by indomethacin. May increase risk of thrombocytopenia with diuretics esp. If you stop taking co-trimoxazole too soon or skip doses, your infection may not be completely treated and the bacteria may become resistant to antibiotics. This medication is sometimes prescribed for other uses; ask your doctor or pharmacist for more information. Take the missed dose as soon as you remember it.
However, if it is almost time for the next dose, skip the missed dose and continue your regular dosing schedule. Do not take a double dose to make up for a missed one.
Keep this medication in the container it came in, tightly closed, and out of reach of children. Store it at room temperature and away from excess heat and moisture not in the bathroom. It is important to keep all medication out of sight and reach of children as many containers such as weekly pill minders and those for eye drops, creams, patches, and inhalers are not child-resistant and young children can open them easily.
To protect young children from poisoning, always lock safety caps and immediately place the medication in a safe location — one that is up and away and out of their sight and reach. Unneeded medications should be disposed of in special ways to ensure that pets, children, and other people cannot consume them.
However, you should not flush this medication down the toilet. Instead, the best way to dispose of your medication is through a medicine take-back program.
In case of overdose, call the poison control helpline at If the victim has collapsed, had a seizure, has trouble breathing, or can't be awakened, immediately call emergency services at Keep all appointments with your doctor and the laboratory. Your doctor will order certain lab tests to check your response to co-trimoxazole.
Before having any laboratory test, tell your doctor and the laboratory personnel that you are taking co-trimoxazole. Do not let anyone else take your medication. Your prescription is probably not refillable. If you still have symptoms of infection after you finish the co-trimoxazole, call your doctor.
It is important for you to keep a written list of all of the prescription and nonprescription over-the-counter medicines you are taking, as well as any products such as vitamins, minerals, or other dietary supplements.
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